Index: openacs-4/packages/forums/lib/message/row.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/forums/lib/message/row.tcl,v
diff -u -r1.11.4.2 -r1.11.4.3
--- openacs-4/packages/forums/lib/message/row.tcl	10 Oct 2013 20:47:06 -0000	1.11.4.2
+++ openacs-4/packages/forums/lib/message/row.tcl	11 Oct 2013 09:57:15 -0000	1.11.4.3
@@ -24,11 +24,13 @@
 
 if {$useScreenNameP} {
     acs_user::get -user_id $viewer_id -array user_info
-    set screen_name $user_info(screen_name)
+    set message(screen_name) $user_info(screen_name)
+} else {
+    set message(screen_name) ""
 }
 
-set message(screen_name) $screen_name
 
+
 # convert emoticons to images if the parameter is set
 if { [string is true [parameter::get -parameter DisplayEmoticonsAsImagesP -default 0]] } {
     set message(content) [forum::format::emoticons -content $message(content)]